CN1988261A - Safety connecting method between circuit boards on information safety device - Google Patents
Safety connecting method between circuit boards on information safety device Download PDFInfo
- Publication number
- CN1988261A CN1988261A CN 200510101909 CN200510101909A CN1988261A CN 1988261 A CN1988261 A CN 1988261A CN 200510101909 CN200510101909 CN 200510101909 CN 200510101909 A CN200510101909 A CN 200510101909A CN 1988261 A CN1988261 A CN 1988261A
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- Prior art keywords
- circuit
- circuit board
- safety devices
- attachment
- information
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000000806 elastomer Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000013475 authorization Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 241000283070 Equus zebra Species 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Storage Device Security (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
This invention relates to a safe connection method for CB on an information safety device, on which, circuits are distributed on more than two CB and at least one contains an encryption circuit including a safety detecting module and an encryption process module triggered by the safety detection module to guarantee safety of information, said CB is connected with other CB by a conducting rubber connector movably connected with one of them, the safety detection module is set on the CB containing an encryption circuit to be matched with a safety detection device set on other CB to test if the safe connection between two CB is cut off.
Description
Technical field
The present invention relates to information safety devices, particularly the wherein safe method of attachment between each circuit board.
Background technology
On the one hand, the connected mode between circuit board and the circuit board is varied, and the common supporting connector of employing that has directly connects, and perhaps connect by transit cable, yet these connections does not possess fail safe, just can not effectively prevent to have a mind to attack.On information safety devices; information in order to ensure its inter-process is not revealed; usually circuit and the safe detection circuit that needs are carried out encryption protects with physical structure in the lump; perhaps the circuit module that needs encryption of several separation is protected with physical structure in the lump, so just limited the internal circuit distribution of information safety devices and effective enforcement of information security measure to a great extent.
On the other hand, elastomer connector, be commonly called as and be the zebra adhesive tape, be by electric silica gel and insulation silica gel alternatively layered stack after cure moulding, because it is stable and reliable for performance, produce the assembling simple and effective, be widely used in the LCD of product and being connected of circuit board such as game machine, phone, electronic watch, calculator, instrument.
Summary of the invention
The technical problem to be solved in the present invention is at the deficiencies in the prior art part, distributes and propose a kind of internal circuit that makes things convenient for information safety devices, guarantees the safe method of attachment between the circuit board of effective enforcement of information security measure.
The technical scheme that the present invention solves the problems of the technologies described above employing is, safe method of attachment between the circuit board on a kind of information safety devices is proposed, circuit on the described information safety devices is distributed on two above circuit boards, wherein contain encrypted circuit at least one circuit board, this encrypted circuit comprises safety detection module and encryption processing module, can trigger the encryption processing module action by safety detection module, to guarantee information security, being electrically connected between the described circuit board that contains encrypted circuit and other circuit board adopted elastomer connector.
At least one in described elastomer connector and two circuit boards that are connected is to flexibly connect.
The safety detection module that the described circuit board that contains encrypted circuit is provided with, the safety detecting device that cooperates connected other circuit board to be provided with can detect whether the safety connection disconnects between two circuit boards that connected by described elastomer connector.
In a single day described safety detection module detects to connect safely between two circuit boards that connected by described elastomer connector and changes off-state into by connection status, triggers the encryption processing module action.
Described information safety devices comprises the Financial Information input keyboard.
Described Financial Information input keyboard, for 4*4 arranges, it is digital keys that the 4*3 on the left side arranges, it is function button that the 4*1 on the right arranges;
The digital keys that the 4*3 on the described left side arranges is according to by left-to-right, having put in order from top to bottom: [1,2,3,4,5,6,7,8,9,0];
The function button that the 4*1 on described the right arranges is according to having put in order from top to bottom: [cancellation, change are confirmed].
The circuit of described Financial Information input keyboard is divided into encrypted circuit part that comprises microprocessor and the clear circuit part that comprises 4*4 push-button array circuit, and described encrypted circuit part and clear circuit partly are positioned on two printed circuit board.
Described encrypted circuit part comprises that also the protection that is made of the lead that is labyrinth pattern cabling detects net.
Described clear circuit part comprises that also the protection that is made of the lead that is labyrinth pattern cabling detects net.
Described elastomer connector is by being fixed in the wherein framework location of a circuit board.
Compare with prior art, safe method of attachment between the circuit board on the information safety devices of the present invention, anti-attack ability is strong, for the internal circuit that makes things convenient for information safety devices distributes, guarantees that effective enforcement of information security measure provides possibility.
Description of drawings
Fig. 1 is for adopting the front view of the apparatus embodiments of safe method of attachment between the circuit board on the information safety devices of the present invention.
Fig. 2 is the rear view of Fig. 1 apparatus embodiments.
Fig. 3 is the vertical view of Fig. 1 apparatus embodiments.
Fig. 4 is the described elastomer connector structural representation of the embodiment of the invention.
Fig. 5 is the described elastomer connector installing frame of an embodiment of the invention structural representation.
Fig. 6 is the electric theory diagram of described second treatment circuit part of the embodiment of the invention.
Fig. 7 is the signal that the described protection of the embodiment of the invention detects web frame.
Fig. 8 is the initialization flow process of the described financial transaction information input keyboard of the embodiment of the invention.
Fig. 9 is the application flow of the described financial transaction information input keyboard of the embodiment of the invention.
Embodiment
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Safe method of attachment between the circuit board on the information safety devices of the present invention, circuit on the described information safety devices is distributed on two above circuit boards, wherein contain encrypted circuit at least one circuit board, this encrypted circuit comprises safety detection module and encryption processing module, can trigger the encryption processing module action by safety detection module, guaranteeing information security, elastomer connector is adopted in being electrically connected between the described circuit board that contains encrypted circuit and other circuit board.
As shown in Figures 1 to 3, adopt the tool financial transaction information of safe method of attachment between the circuit board on the information safety devices of the present invention and the keyboard of general information input, comprise a keyboard body, be positioned at first keyboard keyboard left part, that general information input is provided and be positioned at second keyboard keyboard right part, that financial authorization information input is provided; Described first keyboard comprises first key groups that the general information input is provided, first treatment circuit, and first interface that is connected with external equipment; Described second keyboard comprises second key groups that financial authorization information input is provided, second treatment circuit, and second interface that is connected with external equipment.
Whole keyboard is an integrative-structure, from Fig. 3 as seen, in outer reaching, comprise: panel, liner plate, layer of silica gel, fixed bed, alignment layers, push-button array wiring board, PET key layer and backboard, on the described panel perforate is arranged, each button stretches out from described perforate, also comprises in order to first box body that holds first treatment circuit with in order to hold second box body of second treatment circuit.
On two limits up and down of backboard, respectively have several in order to keyboard is installed to the hole that main equipment gets on.
The electric theory diagram of second treatment circuit part of the present invention as shown in Figure 6; comprise microprocessor; SRAM; the 4*4 push-button array; keyboard body protection mechanism detects net and the enciphered message protection mechanism of protecting testing circuit to form by protection, and the communication interface that is connected with external equipment; can be the RS232 interface, also can be USB interface.This second treatment circuit is divided into two parts physically; first is positioned at the push-button array wiring board; comprise 4*4 push-button array circuit; detect a part of circuit of netting with protection; second portion is positioned at the second box body wiring board; comprise microprocessor, protection testing circuit and protection detect the remainder of net.The elastomer connector of these two parts by as shown in Figure 4 is electrically connected, and this elastomer connector is by as shown in Figure 5 a framework location, and this framework is provided with two reference columns, can be easily fixed on the wiring board.In fact, described elastomer connector also has a function, is exactly that it can be used as keyboard body protection mechanism; in case the keyboard body is cut apart; cause two parts of described second treatment circuit to separate, microprocessor can monitor the behavior, handles action thereby trigger a series of security information.
Protection of the present invention detects net and comprises a protective cover; it physically is closed the components and parts that relate to encrypting keyboard data processing and preservation; just the first of described second treatment circuit is closed; and the surface is provided with the safeguard protection line layer within it; described safeguard protection line layer includes the lead that is labyrinth pattern cabling as shown in Figure 7, and this lead is connected to microprocessor through the protection testing circuit.In addition, can also be at the push-button array wiring board, the second portion of just described second treatment circuit is provided with the conductor layer that is labyrinth pattern cabling as shown in Figure 7, makes up protection jointly in order to the safeguard protection line layer in the mating protection cover and detects net.Destroyed in case detect net, microprocessor can monitor the behavior, handles action thereby trigger a series of security information.
Described keyboard body protection mechanism and protection detection net reality all are to do the switch motion monitoring by microprocessor, detect connection conversion between net inside conductor network and the microprocessor and protect testing circuit to provide protection.
Described microprocessor can be selected the chip of self tape program/data destroying function for use, also can adopt outside support circuit with self not the chip of tape program/data destroying function cooperate, secure routine/data can all concentrate on microprocessor internal, realize according to physical circuit, also can preserve part outward by the SRAM that joins, even whole program/data.
Adopt the keyboard input financial transaction information of the inventive method, it uses operating process to comprise: 1, keyboard carries out initialization to bank, as shown in Figure 8, just: be connected with bank server by communication interface, download a plurality of banks master key in keyboard from the bank server end, the microprocessor of keyboard carries out the DES decrypt operation to be handled, and whether verification is correct, and then the information privacy zone is encrypted and be stored in inside.2, keyboard through the preliminary examination processing is used for the financial terminal operation of equipment, as shown in Figure 9, the user inserts bank card or input account at financial transaction terminal equipment, after terminal equipment obtains account No. by bank network from server, the prompting user inputs password, user's button input is in keyboard, after abideing by the IS08564 standard and handle by microprocessor, take out the inner key of preserving, carrying out des encryption handles, through the keyboard operation information loopback terminal equipment main body of encryption, even if debugged personnel of signal at this moment or unauthorized person intercept, displaying also is the mess code of a string band enciphered message of being difficult to crack.
The alleged security information of the present invention comprises user cipher, the account, the key that is used for the computing of DES encryption and decryption, program, the intermediate data of microprocessor operation, be kept at program/data in the memory etc. in case reveal whole financial sector, perhaps concrete certain financial user may bring the information of adverse effect.
First keyboard of the present invention, the implementation method of actual and general standard P S2 computer keyboard is similar, has not here just given unnecessary details.
Second keyboard of the present invention, each part in described each circuit block diagram, all belong to existing known technology, the distribution that just involves functional module and circuit board involved in the present invention has here been given unnecessary details with regard to the particular circuit configurations to each functional module not.
Safe method of attachment between the circuit on the information safety devices of the present invention, basic ideas are to adopt elastomer connector to connect two circuit boards, wherein contain encrypted circuit at least one circuit board.Enforcement of the present invention is not limited to above-mentioned open example structure, and is all based on above-mentioned basic ideas, and replacement that need not creative work or the improvement made all belong to the present invention's enforcement.
Claims (10)
1, safe method of attachment between the circuit board on a kind of information safety devices, circuit on the described information safety devices is distributed on two above circuit boards, wherein contain encrypted circuit at least one circuit board, this encrypted circuit comprises safety detection module and encryption processing module, can trigger the encryption processing module action by safety detection module, to guarantee information security, it is characterized in that:
Being electrically connected between the circuit board that contains encrypted circuit and other circuit board adopted elastomer connector.
2, safe method of attachment between the circuit board on the information safety devices as claimed in claim 1 is characterized in that:
At least one in described elastomer connector and two circuit boards that are connected is to flexibly connect.
3, safe method of attachment between the circuit board on the information safety devices as claimed in claim 2 is characterized in that:
The safety detection module that the described circuit board that contains encrypted circuit is provided with, the safety detecting device that cooperates connected other circuit board to be provided with can detect whether the safety connection disconnects between two circuit boards that connected by described elastomer connector.
4, safe method of attachment between the circuit board on the information safety devices as claimed in claim 3 is characterized in that:
In a single day described safety detection module detects to connect safely between two circuit boards that connected by described elastomer connector and changes off-state into by connection status, triggers the encryption processing module action.
5, as safe method of attachment between the circuit board on the arbitrary described information safety devices of claim 1 to 4, it is characterized in that:
Described information safety devices comprises the Financial Information input keyboard.
6, safe method of attachment between the circuit board on the information safety devices as claimed in claim 5 is characterized in that:
Described Financial Information input keyboard, for 4*4 arranges, it is digital keys that the 4*3 on the left side arranges, it is function button that the 4*1 on the right arranges;
The digital keys that the 4*3 on the described left side arranges is according to by left-to-right, having put in order from top to bottom: [1,2,3,4,5,6,7,8,9,0];
The function button that the 4*1 on described the right arranges is according to having put in order from top to bottom: [cancellation, change are confirmed].
7, safe method of attachment between the circuit board on the information safety devices as claimed in claim 6 is characterized in that:
The circuit of described Financial Information input keyboard is divided into encrypted circuit part that comprises microprocessor and the clear circuit part that comprises 4*4 push-button array circuit, and described encrypted circuit part and clear circuit partly are positioned on two printed circuit board.
8, safe method of attachment between the circuit board on the information safety devices as claimed in claim 7 is characterized in that: described encrypted circuit part comprises that also the protection that is made of the lead that is labyrinth pattern cabling detects net.
9, safe method of attachment between the circuit board on the information safety devices as claimed in claim 7 is characterized in that: described clear circuit part comprises that also the protection that is made of the lead that is labyrinth pattern cabling detects net.
10, safe method of attachment between the circuit board on the information safety devices as claimed in claim 7 is characterized in that: described elastomer connector is by being fixed in the wherein framework location of a circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101019097A CN100505419C (en) | 2005-12-08 | 2005-12-08 | Safety connecting method between circuit boards on information safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101019097A CN100505419C (en) | 2005-12-08 | 2005-12-08 | Safety connecting method between circuit boards on information safety device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1988261A true CN1988261A (en) | 2007-06-27 |
| CN100505419C CN100505419C (en) | 2009-06-24 |
Family
ID=38184948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101019097A Expired - Fee Related CN100505419C (en) | 2005-12-08 | 2005-12-08 | Safety connecting method between circuit boards on information safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100505419C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367003A (en) * | 2012-04-11 | 2013-10-23 | 深圳市证通电子股份有限公司 | Encrypted keyboard and button scanning protective device |
| CN111336670A (en) * | 2020-03-13 | 2020-06-26 | 北京中科志凌电子科技有限公司 | Air conditioner temperature controller |
-
2005
- 2005-12-08 CN CNB2005101019097A patent/CN100505419C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367003A (en) * | 2012-04-11 | 2013-10-23 | 深圳市证通电子股份有限公司 | Encrypted keyboard and button scanning protective device |
| CN103367003B (en) * | 2012-04-11 | 2015-04-22 | 深圳市证通电子股份有限公司 | Encrypted keyboard and button scanning protective device |
| CN111336670A (en) * | 2020-03-13 | 2020-06-26 | 北京中科志凌电子科技有限公司 | Air conditioner temperature controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100505419C (en) | 2009-06-24 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |